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www.NvisTech.com

Product Selection Guide - ElectricalWe are an ISO 9001:2008 Certified Organization, engaged in offering a wide range of finest Electrical products that is made with

quality-proven machines & components, incorporates with latest technology. Electrical products designed and supplied by us has

been used in IIT’s, NIT's, Engineering Colleges, Polytechnics Colleges and ITI’s as well as Industry worldwide.

Our Electrical Control boards are made using high grade Fibreglass reinforced Plastic (FRP) material to provide strength and

durability to the finished structure and looks attractive at the same time. We are the first one to adopt LCD to display entire necessary

electrical parameters in a single frame with an option of using digital measuring instruments either, to provide high accuracy

measurements.

With our strong infra structural, development facilities, in-depth knowledge and experience in the domain, we also offer customized

Electrical products starts from basic to advance level Engineering as per our client's requirement at competitive prices to meet their

demands and fulfill syllabus. We ensure timely delivery, prompt and reliable after sales services and transparent business dealings.

�Transformer based DC Supply (10A)

�Fixed as well as Variable DC Supply

�Over Current Protection

Suitable for Electrical Machine Laboratory, Compatible for DC Machine upto 2HP etc.

Nvis 725 - DC Supply

Nvis 725A - Advance DC Supply

Suitable for Electrical Machine Laboratory, Compatible forDC Machine upto 3HP etc.

�Over Current Protection

�Field Failure Protection

�Thyristor Based DC Supply

(15A)

*Also available 25A & 50A DC Power Supply

Nvis 726 - AC / DC Load

�Provided fans for heat

suppression

�Resistive (bulb) Load

Suitable to conduct Load Test on Machines upto 1.2kW etc.

Nvis 7004 - Single Phase Transformer Lab

�Inbuilt Single Phase Variac

�Flexibility to configure step up, step

down and isolation transformer

To study Polarity Test, Transformation RatioTest, Open Circuit and Short Circuit Test,Measurement of efficiency and voltageregulation of Single Phase Transformer etc.

Nvis 7203 - Three Phase AC Voltage Controller

Study of Three Phase Half Wave and Full Wave AC Voltage Controller with R and RL Load etc.

�Inbuilt DC Power Supply

�Flexibility to configure Half and Full

Bridge Controller Circuit

�Equipped with fixed value

of R and L Load

Nvis 7000 - Electrical Safety Demonstrator

To study the basic concepts of Earthing, Fuse and MCB etc.

� Designed considering all safety standards

� Exclusive design and attractive presentation of each block

� Represents many essential safety precautions

Nvis 7001 - Three Phase Lab

Study of Three phase Star and Delta Configurations, Importance of Balanced and Unbalanced load etc.

� Test points are provided to measure line and phase

parameters

�Hands-on Practice

�Stand alone operation

Nvis 7202 - Three Phase Controlled Rectifier

Study of Three Phase Firing Circuit, Three Phase Half Wave, Semi and Full WaveRectifier with R, RL and Motor Load etc.

�Inbuilt DC Power Supply

� Flexibility to configure Half, Semi and Bridge Rectifer Circuit

� Equipped with firing circuit to study

and analyse waveforms

Nvis 7009 - RLC Resonance Trainer

It provides complete learning content for both series and parallel resonance

Nvis 7010 - Scott Connection Demonstrator

To study about Conversion of Three Phase to Two Phase with proper phase displacement etc.

�Specially designed tapped

transformers

�Test points provided to

analysis waveforms

Nvis 7011 - Sumpner’s Test of Two Single Phase Transformer

Measurement of Core and Copper Loss, Efficiency and Voltage Regulation at different load conditions etc.

Nvis 7012 - Parallel Operation of Two Single Phase Transformer

�Two identical Single Phase

Transformer with special tapping

�Facility to use fixed and variable

load externally

Nvis 7005 - Power Measurement by Two WattmeterMethod

Measurement of Power Factor, Active, Reactive and Apparent Power inThree Phase Circuit using R and RL Load etc.

�Inbuilt inductive load

�Facility to configure star and

delta load

Nvis 7006 - Three Phase Induction Motor Lab

To study Running and Reversing Phenomenon, No Load Test, Load Test, Block Rotor Test of Three Phase Squirrel Cage Induction Machine etc

�Machine with mechanical loading arrangement

�Brake drum/pulley with heat suppression facility

Nvis 7008 - DC Machine Lab-II

To study Operational Working, Load Characteristics, Speed Control of Motor etc.


�Heavy duty base/channel

�Brake drum/pulley with heat suppression

facility

To study Parallel Operation of Two Single Phase Transformer with equal and unequal voltage ratio etc.

Nvis 7007 - DC Machine Lab-I

To study Open Circuit Characterisitc, Load Characteristics, Speed Control ofMachine etc.

�Flexible shaft coupling

arrangement

�Machine with class “B” insulation

�Electrical loading facility

�LCD Voltmeter and Frequency Counter

� Inbuilt Signal Generator l Low cost trainer demonstrating both Series

and Parallel Resonance on the same board

�Two Identical Single Phase

Transformer

� Inbuilt Single Phase Variac

� Microcontroller based LCD to

display variation in temperature

Nvis 7017 - Three Phase Synchronous Generator Lab

To study Open Circuit Characteristic, Short Circuit Characteristic, Voltage Regulation of Three Phase Synchronous Machine etc.



�Flexible shaft coupling arrangement

Nvis 7014 - DC Series Machine Lab

To study Operational Working, Load Characteristic, Speed Control of Motor etc.

Nvis 7018 - Synchronous Machine Training System

To study Synchronisation Methods of Two Identical Three Phase Synchronous Generator etc.

Nvis 7015 - Single Phase Induction Motor Lab

To study Running and Reversing Phenomenon, No Load Test, Load Test, Block Rotor Test of Single Phase Capacitor Start Induction Machine etc.

�Facility to configure motor connection externally


Nvis 7019 - Three to Six Phase ConversionDemonstrator

To study about Conversion of Three Phase to Six Phase with proper phase displacement, Three Phase Configurations etc.

Nvis 7016 - Measurement of Xd and Xq ofThree Phase Synchronous Machine




Nvis 7021 - Shunt Motor Series Generator Lab

To study Positive, Negative and Zero Sequence Impedance, Slip Test of

Three Phase Synchronous Machine etc.

Nvis 7013 - Three Phase Synchronous Motor Lab

To study "V" and Inverse "V" curve of Three Phase Synchronous Motor etc.



�Provided with Centre-tapped

wattmeters



To study Operational Working, Internal and External Characteristic of DC SeriesGenerator etc.

�Electrical Loading Arrangement l 240 x 128 Graphical LCD Display

�RISC Microcontroller based design for measurement

� High resolution ADC for accurate measurement

�Separate terminals to analysis

waveforms

� Three Identical Single Phase

Transformer

� Equipped with supply

indication lamps

�Specially designed BS-10 safety

terminals

� Electrical loading arrangement

� Designed by considering all safety

precautions

Nvis 7023 - DC Compound Motor Lab

Nvis 7027 - Induction Motor Compound Generator Lab

Study and Verify Load Characteristics of Long and Short Shunt Cumulatively Compound Generator and Differentially Compound Generator etc

Nvis 7030Induction Motor Series Generator Lab

Study and verify No-Load Characteristics and Load Characteristic of DC Series Generator etc.

Nvis 7022 - Field Test of DC Series Machine

To study of Internal and External Characteristic, Determines Efficiency of DC Series Motor etc.


arrangement

�Machine with class “B”

insulation


Nvis 7028 - Induction Motor Shunt Generator Lab

Study and Measurement of Open Circuit Characteristic, Internal Characteristic,External Characteristic of DC Shunt Generator etc.


arrangement


insulation


Nvis 7029 - DC Series Motor Shunt Generator Lab

Study and Measurement of Open Circuit Characteristic, Internal Characteristic,External Characteristic of DC Shunt Generator etc.


arrangement


insulation


Nvis 7025A - Energy meter

Understanding Calibration of

To study connection of Energy meter in Transmission line, Measurementof Energy in kW, Calibration of Energy meter using inbuilt Watt meter,Voltmeter and Ammeter etc.

Nvis 7031 - Compound Motor Compound Generator Lab

Study and verify the Load Characteristics of Long and Short Shunt Cumulatively Compound Generator and Differentially Compound Generator etc.

Study and Verify Load Characteristics of Short Shunt and Long ShuntDC Compound Motor etc.

�Machine with

mechanical loading

arrangement

�Heavy duty

base/channel




�Single phase kWh Energy meter

� Inbuilt Voltmeter, Ammeter, Watt

meter as Standard meter for

calibration of Energy meter

� Big font LCD (16 x 2) for use as

Standard meter/Energy meter

calibration

�Electrical Loading Arrangement


arrangement

�Provided with Digital Tachometer

� Machine with Class “B” Insulation

� Heavy Duty Base/Channel

� Terminals provided to use the optional

externally

Nvis 7034 - Swinburn's Test of DC Machine

Study and Determine the Losses of DC Machine and Correspondingly calculate the Efficiency of DC Machine.

�Machine with

mechanical loading

arrangement

�Heavy duty

base/channel

�Brake drum/pulley

with heat suppression

facility

Nvis 7033 - Slip Ring Induction Motor Lab

Cut Section of Machines

Identification of different part of Machines, Understanding the functionalstructure of Machine with running condition etc.

Nvis 7035 - Hopkinson's Test of DC Machine

Study and Obtain the Losses Separately and Correspondingly determine theEfficiency of a DC Shunt Machine.

�Two identical Motor Set



Study of Ramp Comparator Firing Circuit, Single Phase Half wave, Semi and Bridge Converter Drive etc.

Nvis 7040 - Single Phase Bridge Converter Drive

Nvis 7032 - Cascading of Three Phase InductionMachine

�Exclusive and rugged design

�Stand alone operation

�Designed by considering all the safety precautions

�High quality meters

Study of three phase, 4 Pole, Slip Ring Induction Machine and correspondinglyknow the relation between speed V/S pole of the Machine

To study Running and Reversing Phenomenon, No Load Test, Load Test, Block Rotor Test of Three Phase Slip Ring Induction Machine etc

Nvis 7037 - Three Phase Transformer Lab

To study Open Circuit Test, Short Circuit Test, Load Test, Three Phase Configurations etc.

�Big graphical LCD display

�Facility to configure star and delta

connected transformer

�Diagrammatic representation of

circuit

�Inbuilt power-scope for

isolation measurement

�Three phase firing

circuit with isolation

�Test terminals provided

to analysis waveforms

�Provided with DC

Shunt motor

Model Nos. Type of MachinesNvis 7038 DC ShuntNvis 7038A DC CompoundNvis 7038B 3-Phase AC SynchronousNvis 7038C 3-Phase AC Squirrel Cage InductionNvis 7038D 3-Phase AC Slip Ring InductionNvis 7038E DC SeriesNvis 7038F 1-Phase Capacitor Start Capacitor

Run Induction motor

�Exclusive and rugged designed panel

� Designed by considering all the safety

precautions

� Provided with digital

Tachometer

To study about speed controlling of DC Motor and its running and reversing phenomenon using ward Leonard method etc.

Nvis 7036 - Ward Leonard Method of DC Machine

�Electrical Loading

Arrangement

�Flexible Shaft Coupling

Arrangement

�Heavy Duty Base/

Channel

Nvis 7057 - Power Measurement using CT & PT

Operational working of CT and PT, Measurement of Single Phase Power using CT and PT etc.

�Inbuilt voltage current Power

�Inbuilt CT and PT facility to

observe CT for various turn

ratio

Nvis 7061 - Power Factor Demonstrator

Measurement of Power Factor using different configuration of Resistive,Capacitive, Inductive (RLC) Load and its improvement etc.

�Inbuilt isolation BNC

terminals to observe V & I

simultaneously

�Equipped with inbuilt R, L &

C Load

�Alphanumeric 16 x 2 big

font LCD

�Equipped with Multifunction meters with kWH display

�Complete practical learning for wiring in Houses

�Test points are provided to measure voltage at different points

�Designed by considering all the Safety Standards

�Diagrammatic representation for the ease of connections

Nvis 7059 - Home Electrical Wiring Training System

To study the connection of Energy Meter and Consumer Unit, MCB, Two-WaySwitch, Ceiling Fan, Tube Light etc.

Nvis 7063 - Transmission Line Training System

Measurement of ABCD, H, Z and Image parameters of Short, Medium and Long Transmission Line, understand Ferranti effect, performance of transmission line under different loads etc.

�240 x 128 graphical LCD

display

�RISC microcontroller

based design for

measurement

�Facility to design short,

medium and long

transmission line

Nvis 7058 - AC and DC Starter Demonstrator

Study of AC (Star-Delta and DOL) Starter and DC (Three Point and Four Point) Starter etc.

�Demonstration of

both AC and DC

Starters

�Diagrammatic

representation of

starters

Study the operating of Moving Coil type Instruments, Moving Iron type Instruments, Dynamometer type Instruments.

�Inbuilt AC & DC Source to test

AC & DC Meters

�Meters provided with

transparent front plate

Nvis 7060 - Meter Demonstrator

Nvis 7062 - & Three Ammeter Method

Power Measurement by Three Voltmeter

Measurement of Power and Power Factor in a Single-Phase circuit using Three Voltmeters and Three Ammeter Method etc.

�Provided with digital panel

meters

�Inbuilt inductive load

�Separate sections for

voltmeter and ammeter

methods

Nvis 7044 - Single and Three Phase AC Voltage Controller

Study of Three Phase Firing Circuit, Single and Three Phase AC VoltageController at Lamp Load and Motor Load etc.

�Provided with three phase

induction motor

�Inbuilt power-scope for

isolation measurement

�Three phase firing circuit

with isolation

�Test terminals provided to

analysis waveforms

Nvis 7069 - Single Phase & Three PhaseCapacitive Load

Suitable for Electrical Machine Laboratory, Compatible in Single and Three Phase Supply (Star and Delta Configuration) etc.

�Compatible in star and delta

configuration

�Suitable for single as well as

three phase load

Nvis 7067 - Single and Three Phase Resistive Load


�Compatible in star and delta

configuration

�Suitable for single as well as three

phase load

�Exhaust fan for heat suppression

�MCB are using as switch to increase

load and protection at the same time

Nvis 7065 - Symmetrical and UnsymmetricalFault Demonstrator

Study and Analysis symmetrical and unsymmeterical faults in three phase transmission line etc.

�Equipped with voltage and

current selector switches

�BNC terminal to analysis

waveform before and after

faults


�Compatible for Single and Three Phase Operation

�Suitable for both static & rotating machines

�Load variation can be obtained by movable handle

�Heavy duty castor wheel for easy movement

Nvis 7068 - Single and Three Phase Inductive Load

Nvis 7064 - Radial and Ring main Distribution System

Working phenomenon of Distribution System configured as Radial andRing Main Distribution System

�Inbuilt DC Variable Source

�Digital panel meters

�Facility to configure

balanced and unbalance

network

Nvis 7070 - 3 Phase Parameter Measurement

Measurement of any 3-phase electrical system simultaneously withoutusing individual meters

Nvis 7070A - Electrical Data Acquisition System

Three AC current channels, two DC voltage channels, two DC current channels,speed and torque measurement through wireless

�Microcontroller based design for accurate measurement

� 240 x 128 Graphical LCD Display to view all the parameters

� Simultaneous display of Three Phase electrical parameters

� Used with Single Phase / Three Phase Supply

�Curve can be plotted between any two parameters

� Store curve reading for further study

� Microcontroller based Accurate & Reliable design

� Wireless connectivity to PC

� CT is used as current transducer

Nvis 7080 - Transformer Oil Testing System

Study and measurement of Breakdown Voltage (Dielectric Strength)of transformer oil etc.

�Fully motorized high voltage control

�Break down voltage protection

�Over current protection

�Mains & H.T. “ON” & “OFF”

Switches

Nvis 7073 - Single Phase Power Meter

Active Power

10-1200Watt, Accuracy

± (2% reading + 3 digits)

Apparent Power

10-1200V A, Accuracy


Reactive Power

10-1200V AR, Accuracy


Nvis 7074 - Single Phase Meter

Voltage

10 - 230Vrms, Accuracy


Current

0.2 - 5Arms, Accuracy


Active Power

10-1200Watt

Accuracy


Nvis 7077 - AC Voltmeter

Voltage

10 - 450Vrms

Accuracy


Nvis 7078 - AC Ammeter

Current

0.2 - 5Arms

Accuracy

±(1% reading + 2 digits)

Nvis 7077D - DC Voltmeter

Voltage

0 - 300V

Accuracy


Nvis 7078D - DC Ammeter

Current

0 - 5A

Accuracy

±(1% reading + 2 digits)

Nvis 7072 - Single Phase Watt Meter

Active Power

10-1200Watt

Accuracy


�Microcontroller based Accurate and

Reliable design

� CT is used as current transducer

� 4 - Digit Seven Segment Display

� Dimension (mm) : 96 X 96 X 110

Nvis 7071 - Single Phase Multi Function Meter

Voltage

10 - 230Vrms, Accuracy ± (1% reading + 2 digits)

Current

0.2 - 5Arms, Accuracy ± (1% reading + 2 digits)

Active Power

10-1200Watt,

Accuracy ± (2% reading + 3 digits)

Nvis 7093 - Under Voltage & Over Voltage RelayTesting System

To study the operating performance of Under Voltage and Over Voltage Relay with different plug settings etc.

�Electromechanical relay to understand the internal mechanism


�Alphanumeric 16 x 2 big font LCD

Nvis 7094 - Earth Fault Relay Testing System

To study and verify the operating characteristics of Earth Fault Relay different plug setting etc.

�Electromechanical relay

to understand the

internal mechanism

�Inbuilt Single Phase

Variac

Nvis 7095 - Differential Relay Testing System

To study and verify the operating characteristics of Differential Relay with different plug setting etc.

�Electromechanical relay

to understand the

internal mechanism

�Inbuilt Single Phase

Variac


font LCD

Nvis 7090 - MCB and HRC Fuse Testing System

Study the Operating Principle and Characteristics of B-type & C-type MiniatureCircuit Breaker, HRC fuse etc.

�Inbuilt current injection

facility

�Alphanumeric 16 x 2 big font

LCD

�Inbuilt MCB's with

transparent front plate

Nvis 7091 - Over Current Relay Testing System

To Study operating performance, current versus time characteristic of over current relay at different plug settings etc.

�Electromechanical relay to

understand the internal

mechanism



font LCD

Nvis 7098 - Three Phase Over Current & Earth FaultNumeric Relay Testing System

�Four element (Three Phase

+ EF) Non Directional

Over current IDMT/DMT

�On site CT Secondary

selection 1A or 5A

�Instantaneous Over-

Current protection with

adjustable timer

To study and verify the operating characteristics of Three Phase Over current andEarth Fault Numeric Relay with different TMS setting and Current Setting etc.

�Microcontroller based Numeric Relays Demonstration

�Inbuilt Voltage and Current sources

�Contactor is provided for experimentation of relay as protection devic

Nvis 7099 Universal Relay Training System

To study the operating performance of various type of numeric relays like UnderVoltage ,Over Voltage , IDMT Over current, Differential relay and Thermal relay etc.

Nvis 7081 - Flash Point Testing Apparatus

Study and analysis Flash Point and Fire point test of transformer oil etc.

� Fully automatic control unit l Microcontroller based Design

� Equipped with temperature indicator

� Provided with Brass machined oil cup with handle

Nvis 7089 - Electrical Workstation

�Available with Electrical Data Acquisition system(optional)

�Good quality digital panel meters

�Provided with suitable protection such as MCB, Fuses, etc.

�Suitable for all type of AC and DC Machines

Nvis 7089 Electrical Workstation offers an excellent approach to teaching of Electrical Machines principles by introducing a uniquemodular designed workstation. It provides flexibility for students to carry out wide range of Electrical Experiments over AC and DC Machines using a large selection of Industry standard components and so enables user to put their theory knowledge into practice and ensures to get the highest quality practical experience.

**More than 70 experiments can be performed in Nvis 7089 using different Modules

AC Machines (optional)

?Single Phase Capacitor Start Induction Motor

?Three-Phase Slip Ring Induction Motor

?Three-Phase Squirrel Cage Induction Motor

?Three-Phase Salient Pole Synchronous Motor

?Three-Phase Salient Pole Synchronous Generator With Delta Configuration

?Three-Phase Salient Pole Synchronous Generator With Star Configuration

Transformer (optional)

?Single Phase Transformer

?Three Phase Transformer

Motor with Mechanicalloading arrangement

DC Machines (optional)

?DC Shunt Wound Motor

?DC Series Wound Motor

?DC Compound Wound Motor

?DC Shunt Wound Generator

?DC Series Wound Generator

?DC Compound Wound Generator

Generator with Electrical loading arrangement

Electrical Measurement and Circuits (optional)

Transformer Module

Experiments to be covered on

An ISO 9001: 2008 company

Nvis Technologies Pvt. Ltd.141-A, Electronic Complex, Pardesipura, Indore - 452 010 India Tel.: 91-731-4211500, E-mail: [email protected], Website : www.NvisTech.com

Designed & Manufactured in India by :

For further details contact:

NvisTechnologies Pvt. Ltd.141-A, Electronic Complex, Pardesipura, Indore-452010, India. +91-731-4211500, [email protected], www.nvistech.com

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Exclusive Electronic Hobby Kits

? Simple Water Level Indicator

? Water Level Indicator

? Fire Alarm

? Simple Burglar Alarm

? Simple Touch Bell

? Musical Touch Bell

? Musical Doorbell with Memory

? Magic Eye and Many More...

? Flashing LEDs

? Water Pump Controller-cum-Motor

? Timer

? Garage Light and Security Control

? Low-Range AM Radio Transmitter

? FM Transmitter

? FM Receiver

? Burglar Alarm System

? Traffic Light Control

? Smoke Alarm and many more...

? Moving Message Display

? Infrared Proximity Detector

? Infrared Remote Switch

? Frequency Measurement

? Clap-Based Switching for Devices

? Car Security System with Remote Control

? Temperature Indicator

? Light Sensor

? IR Counter

? Code Lock

? Stop-Water and many more...

Beginner Level Intermediate Level Advanced Level

Finest 115 - True-RMS General Purpose Clamp Meter with Diode Test

Features

?Rugged, easy & single-handed operational, and reliable.

? Protective hand guard to prevent an accidental contact with conductor.

? Frequency measurement capability.

?True-RMS Clamp Meter.

? Surge (Transient) Voltage protection.

? Peak hold

? DC A Zero adjustment thumbwheel.

? Low-Battery annunciator.

? Maximum conductor size 1.5".

? Diode test

?One Year Warranty

Finest 113 - 3 ¾ Digit General Purpose Clamp Meter

Features

? Protective Hand Guard to prevent an accidental contact with conductor.

? Frequency measurement capability.

? Average sensing Clamp Meter.

? Surge (Transient) voltage protection.

? Peak hold & DC A Zero Adjustment thumbwheel.

? Low-Battery annunciator.

? Maximum conductor size: 1.5".

?One Year Warranty

Finest MAXIMA 129 - Dual Display Clamp DMM™ with Detachable Current Head

Features

?3-3/4 digit, 4000 count LCD display

? Auto-ranging measurement with manual ranging (Amps) capability

?MIN/MAX (Peak Hold) (all ranges except Frequency)

?Frequency/Duty Cycle/Data Hold

?Auto power off with manual override

?Detachable Current Probe makes the meter compatible withall kinds of DC mV output adapters

?Built-in test leads storage & magnetic mount

?Backlit display & worklight

?Temperature/Non-Contact Voltage/Dual display

?TRMS measurement

?CATIII 600V Safety protection

?UL-Listed & CE-mark certified

?One Year Warranty

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